An empire, more often than not, doesn't erupt so much as erode. The "Big Four", composed of Roger Federer, Rafael Nadal, Novak Djokovic, and Andy Murray, is no longer the force of nature it once was. But it happened quietly, subtly, the way water wears away at rock.

Before we impose taxes, and before we wait for a market correction, we have to correct our star-crossed mindset and stop rewarding the 1 percent as though they create 99 percent more value than the rest.

The 2015 Australian Open began a few days ago. For tennis fans in the western hemisphere, particularly those in the Americas, that basically means two weeks full of tennis, sleepless nights, and a lot of coffee in the mornings to make up for failing Morpheus.

Genius is not replicable. Inspiration, though, is contagious, and multiform -- and even just to see, close up, power and aggression made vulnerable to beauty is to feel inspired and (in a fleeting, mortal way) reconciled.

My work offers athletes easy-to-understand and practical tools, such as mental imagery, breathing, routines, and keywords, that can be incorporated readily into every part of your overall training program.

Funnily enough, this is a ranking list which I have never read about, and so because of that reason, it is exactly what I will be analyzing in this article. It is after all a very important issue, and one that should be analyzed.

The talk in the tennis world must have played on Federer's mind, and it is in fact my belief that his loss at Wimbledon in that year was attributed to it. There were clear moments in that match where it almost seemed like he believed he just didn't deserve it.

With the U.S. Open set to begin Monday, it opens yet another chapter in one of the most compelling storylines of the tennis summer. That is, of course, the resurgence of Roger Federer to place himself once again among the top contenders in the sport.